Multiview 3-D photography simplified

A small checkerboard-patterned plastic film inserted beneath the lens of an ordinary camera can transform the device into a light-field camera capable of producing multiperspective images.
Current light-field cameras trade a good deal of resolution for that extra-angle information: A camera...Read full article

Aspheric surfaces are powerful tools that combine the optical corrections of multiple lenses into a single element (Figure 1) and affect performance in ways that spherical optics cannot. For example,...